package com.fangwei.aspect;

import java.util.Arrays;

import javax.servlet.http.HttpServletRequest;

import org.apache.log4j.Logger;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.AfterReturning;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.aspectj.lang.annotation.Pointcut;
import org.springframework.core.annotation.Order;
import org.springframework.stereotype.Component;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

@Aspect
@Order(0)
@Component
public class WebLogAspect {

	private Logger logger = Logger.getLogger(WebLogAspect.class);
	
	ThreadLocal<Long> startTime = new ThreadLocal<>();
	
	@Pointcut("execution(public * com.fangwei.controller..*.*(..))")
	public void webLog(){}
	
	@Before("webLog()")
	public void doBefore(JoinPoint joinpoint) throws Throwable{
		ServletRequestAttributes attributes =(ServletRequestAttributes)RequestContextHolder.getRequestAttributes();
		HttpServletRequest request = attributes.getRequest();
		startTime.set(System.currentTimeMillis());
		//记录下请求内容
		logger.info("URL : "+request.getRequestURI().toString());
		logger.info("HTTP_METHOD : "+request.getMethod());
		logger.info("IP : "+request.getRemoteAddr());
//		logger.info("HTTP_METHOD : "+request.getMethod());
		logger.info("CLASS_METHOD : "+joinpoint.getSignature().getDeclaringTypeName()+"."+joinpoint.getSignature().getName());
		logger.info("ARGS : "+Arrays.toString(joinpoint.getArgs()));
	}
	
	@AfterReturning(returning="ret",pointcut="webLog()")
	public void doAfterReturning(Object ret) throws Throwable{
		//处理完请求，返回内容
		logger.info("RESPONSE : "+ret);
		logger.info("SPEND TIME : "+(System.currentTimeMillis() -startTime.get())+"毫秒");
	}
}
